Daniel Radcliffe rushed to aid a motorist who was robbed and slashed across the face with a knife by two men on a moped in London.

The incident went down last week. The "Harry Potter" actor was one of several people who was on hand, his rep has confirmed.

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The Evening Standard detailed the incident in which two men on a moped apparently targeted the man, stealing his Louis Vuitton bag and leaving him with a facial injury. The thieves got away.

David Videcette, a former police officer who was also on scene, tried to follow the men, but to no avail. When he returned to the victim, he saw Daniel.

"It was a bit of the surreal moment, I said 'you're Daniel Radcliffe' and he replied 'I am,'" David said. "He was a really nice bloke, a lot of stars wouldn't have stopped to help. The victim was very, very shaken up."

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When asked by Fox News to elaborate on the incident, the actor's rep only confirmed he was there, but didn't go into further detail, saying, "It's a police matter."

In a statement, the Metropolitan police said, "The victim — a man aged in his 50s — was walking in the road when two people riding a moped snatched his bag before riding off. The victim suffered a cut to the face during the incident."

No arrests have been made.

David, the former police officer, told the Evening Standard, "I had seen [the moped thieves] with no [license] plates on cruising down the street, both looking at people on the pavement. I realized they were up to no good. I decided to call the police and told them they needed to come and have a look. No sooner than I was on the phone to them that I saw one of them reaching for something in his waistband."

He continued, "I realized they were getting ready to do something. I cruised behind them in my car and they darted down a side street. I'm still on the phone to the police. Then one of them gets off and attacks a man with an expensive looking Louis Vuitton bag on the pavement. They grappled with him on the pavement. He wasn't going to give up the bag willingly. I tried to ram the bike with my car but I wasn't able to. They slashed him in the face with the knife..."